The Grant Pro Range Of Standard Vortex External Modules Can Be Converted To Sealed System Operation By Purchasing A Pre-assembled Kit From Grant UK. The Sealed System Kit Includes An Expansion Vessel (size Varies), Automatic Air Vent, Pressure Relief Valve And Circulating Pump. A Filling Loop And Pressure Gauge Are Also Supplied As Part Of The Kit. These Can Be Fitted Within The Module Casing, Or Ideally In A Convenient Site Within The Building, Located Between The Cold Main And Central Heating Return.
Pre Assembled Kit
Converts A Standard Vortex External 15-21 Boiler Into A Sealed System Module
Can Be Fitted Within The Module Casing Or Within The Building
Part Of An Award Winning Range
Manufacturer Model No
Vortex Pro Range
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